Word: ddt
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Dates: during 1940-1949
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...medical men fought the epidemic. The Army sprayed with DDT (to cut down disease-bearing flies). The Navy gave free immunizing injections to thousands of Chinese. U.S. doctors have tried to stop the local practice of bleeding, which reduces body fluids already depleted by the disease. (All U.S. troops and officials going to potential cholera areas are immunized and none have caught cholera in Chungking. The Norwegian ambassador, Alf Hassel, caught it, but is recovering.) UNRRA dispatched seven experts, tons of water-purifying and other equipment to Chungking...
...Office. Over 300 other C.O.s have volunteered for a wide variety of special projects "to help science save lives." In New Hampshire a group of 35 did road work for three-week stretches in louse-infested clothes, to permit studies which played a part in the development of DDT, the powder which saved bombed Naples from a typhus epidemic (TIME, Jan. 10, June 12, 1944). Five other C.O.s spent days on a life raft off Cape Cod, to determine, among other things, the effects of drinking sea water under shipwreck conditions...
...screen. Within a few minutes, flies and mosquitoes in its path were observed to stagger and collapse. In half an hour, every insect on the beach was dead. Next day, the four-mile beach area got another fog dose. By the time weekenders arrived, a few hours later, the DDT beach test was clearly a "100% success...
This spectacular show was staged last week to demonstrate one of the most promising methods yet found for applying the wonder insecticide, DDT. The Todd Shipyards had rigged up an insect-killing version of its Army & Navy smoke-screen generator. The contraption sprays a dry, odorless, stainless cloud of fine oil particles containing a 5% solution of DDT. The fog disappears in a few minutes, leaving a deposit of DDT crystals on everything it touches...
...dose, according to the experimenters, clears an outdoor area of insects for about two weeks. Blown through a house, the fog makes a season-long death trap for flies and mosquitoes. On the basis of tests so far, the DDT fog seems to be harmless to people, birds and animals (see below...